Make the Search function work on our LLM selection screen

At 32:15, marc@codemarc.net wanted OpenAI ChatGPT4o mini, but it wasn’t supported. Tried to search for it at 32:30, but our Search function on the LLM Benchmarks page didn’t work. While we’re working on this page:

• Columns should stay visible when scrolling

• Columns should be sortable

• Each column should have an explanation